Most people probably have a Hotmail account, but like me, probably haven't visited it for quite a while.
Anyway, they unleashed a new version recently that looks a lot slicker.
(This is in Chrome)
I still think it misses the conversation threading view which is really fantastic in gmail, also I think tagging emails is still better than folders for organization. But it's fast and snappy and doesn't require you to use IE for the full experience.